How to define cross coverage for the selected range

SystemVerilog
2

You can ignore the ranges you do not want to cross

cross_A_B : cross A,B
{
   ignore_bins of_a = binsof(a) intersect { [$:1],[6:$] } ;
   ignore_bins of_b = binsof(b) intersect { [$:2],[7:$] } ;
}

Dave